Description: This function changes the color of a selected property.
Usage:
1. The color bar is displayed at the right edge of the graphic area.
2. DSI prompts the user to select a section.
> SELECT SECTION TO CHANGE COLOR
• The user may select a property by picking an element on the screen that contains a desired property (default) or by selecting a property name
3. After the user selects a section, the prompt reads:
> SECTION ID (X) IS SELECTED
> SELECT COLOR FROM COLOR BAR OR EXIT
4. The new color is assigned to the selected section.